Duguay, a 20-year veteran of the city police force, took over as commanding officer of the bureau on Sunday. She replaces Lt. Matthew F. Moriarty, who's now commander of the Community Policing Division.

Duguay was promoted to captain in 2011.

As head of the Criminal Investigation Bureau, she will be responsible for overseeing the detectives and officers who investigate drug crimes, homicides, shootings and sexual and domestic assaults, among other crimes.

Lt. Matthew Moriarty

Holyoke had a homicide-free 2012. This year, however, Paper City police are so far probing two homicides that occurred within the past few weeks – the June 2 slaying of 34-year-old Juan Quinones and the May 28 killing of 35-year-old Danny Rodriguez.